Lower Extremity Movements

These are just the ones we need to have memorized for possible closed book/lab functional questions. There are more muscles that assist with these movements, we just don't need them memorized. :)

Hip Adduction

pectinius, all adductors (longus, brevis, and magnus), gracilis

Hip Abduction

gluteus medius and minimus

Hip Flexion

psoas major, iliacus, rectus femoris, tensor fascia lata, sartorius

Hip Extension

gluteus maximus, hamstrings (biceps femoris, semitendinosus, and semimembranosus), adductor magnus

Medial Hip Rotation

tensor fascia lata, gluteus minimus and medius

Lateral Hip Rotation

obturator externus and internus, piriformis, gemellus superior and inferior, and quadratus femoris

Knee Flexion

hamstrings (biceps femoris, semitendinosus, and semimembranosus), gastrocnemius, sartorius, and gracilis

Knee Extension

quadriceps (rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis)

Medial Knee Rotation

semimembranosus, semitendinosus, sartorius, gracilis

Lateral Knee Rotation

biceps femoris

Subtalar Eversion

fibularis longus and brevis

Subtalar Inversion

tibialis anterior and posterior

Talocrural (Ankle) Dorsiflexion

tibialis anterior, extensor digitorum longus, extensor hallucis longus

Talocrural (Ankle) Plantar Flexion

gastrocnemius, soleus, tibialis posterior, flexor hallucis longus, flexor digitorum longus, fibularis longus and brevis

Digits 2-5 Flexion (one extra for 5th digit)

flexor digitorum longus and brevis (flexor digiti minimi brevis for 5th digit too)

Digits 2-5 Extension

extensor digitorum longus and brevis

Digits 2-4 Abduction

dorsal interossei

Digits 3-5 Adduction

plantar interossei

Digit 5 Abduction

abductor digiti minimi

Digit 1 Abduction

abductor hallucis

Digit 1 Adduction

adductor hallucis

Digit 1 Flexion

flexor hallucis longus and brevis

Digit 1 Extension

extensor hallucis longus and brevis